Version 12.4

Version 12.0 contains a new version (V4) of the protocol environment, which is the set of functions that protocols can call. This new version is used by protocol Ithaca, which is a proposal for the successor of Hangzhou. This release candidate also contains Ithaca itself as well as its daemons (baker and accuser — there is no endorser for Ithaca) and the ithacanet built-in network alias for the Ithacanet test network.

The second release candidate (12.0~rc2) replaced protocol Ithaca (PsiThaCa) with Ithaca2 (Psithaca2) and updated the ithacanet built-in network alias to the new version of Ithacanet, which uses protocol Ithaca2 instead of Ithaca. This second release candidate also included a number of bug fixes and improvements related to Ithaca and to the storage backend.

Version 12.1 fixes a case where the baker could crash. It also updates RPC selected_snapshot by adding an optional parameter, useful in particular for indexers aiming to support Ithaca. Warning: using version 12.1 also automatically upgrades the version of the storage backend; as a consequence, your data directory will no longer be usable with older versions of Octez.

Version 12.2 increased the size limit for stored metadata and made it configurable.

Version 12.3 fixed some remaining issues related to the storage of metadata. Breaking change: note that snapshots exported using v12.3 cannot be imported by nodes running previous versions of Octez.

Version 12.4 fixed a memory leak in the accuser and the baker.

Update Instructions

To update from sources:

git fetch
git checkout v12.4
rm -rf _opam _build
make build-deps
eval $(opam env)

If you are using Docker instead, use the v12.4 Docker images of Tezos.

NB The Ithaca2 protocol adopts the new Tenderbake consensus algorithm, which no longer requires a separate endorser daemon. This functionality is now integrated into the baker daemons: tezos-baker-012-Psithaca for Ithaca2 and, respectively, tezos-baker-alpha for protocol Alpha.